Vitamin B group is the general name of B vitamins, mainly including vitamin B1, vitamin B2, vitamin B3, vitamin B5, vitamin B6, vitamin B7, vitamin B9, vitamin B12, etc. The B vitamins are water-soluble vitamins, in which the components complement each other and work together. If deficient, several are usually supplemented at the same time to avoid an imbalance. The efficacy of vitamin B family mainly has the following aspects: 1, analgesic effect: vitamin B1, vitamin B6 or vitamin B12 can play a role in protecting and nourishing the nerves, although the mechanism of analgesia is not yet clear, but in the clinical often used to treat or assist in the treatment of psychopathic pain; 2, anti-fatigue: vitamin B family can participate in the body’s biological metabolic process of protein, fat and sugar, etc. B vitamins can also promote the digestion and absorption of food, reduce gastrointestinal discomfort and improve constipation; 4, detoxification: B vitamins can help the liver to detoxify and detoxify, and play a role in protecting the liver; 5, nutrition of blood vessels: B vitamins can help the smooth circulation of blood, nutrition of blood vessels, and play a role in maintaining cardiovascular and cerebrovascular; 6, nutrition of blood vessels. Prevention of anemia: vitamin B6 and vitamin B12 are involved in human blood metabolism and promote the development and maturation of red blood cells, which can easily cause megaloblastic anemia after deficiency; 7. Therefore, it is recommended that patients who are prone to such diseases should take appropriate supplements of vitamin B to enrich the nutrition required by the body and help the body to recover to normal state; 8. Therefore, for acne, seborrheic dermatitis and other skin diseases due to abnormal sebum metabolism, they have a certain therapeutic effect and can help protect the skin and reduce the degree of damage. It should be noted that a deficiency of any of the vitamin B in the body can cause different conditions and degrees of illness or physical discomfort. Therefore, you need to take food or pharmaceutical supplements according to your situation.